stewart questioned the president, about the event at the u.s. consulate in nibenghazi libya on september 11, when four americans were killed, including ambassador christopher stevens. >> other people were -- >> the truth is, infoation comes in, folks put it out thought the process, people , sy it's still incomplete. what i was up clear is we're going to do an investigation and figure out what happened.sa >> as part of the investigation, is it helping the communication between the divisions of, not just what happened in benghazi, but what happened within? i don't know, i would say even you wod admit, it was not the optimal response, at least to the american people as far as us being on the same page. >> here's what i'll say. >> yeah. >> if four americans get killed, it's not optimal. >> right. >> and we're going to fix it. and -- >> all of it? >> all of it. and what happens dung the course of the presidency is that the egovernment is a big operation, at any given time, something screws up, and you make that you find out what's broken and you fix